Merge pull request #7 from ndlib/curator_admin

Curator admin
Schema mismatch
Removed puts statement, remove unnecessary method
Added db rebuild task
Adding support for parent/child relationships with items
Created controller for managing child item uploads
Updated the item show page with links to manage child items
Reworking i18n
Use instance doubles on the item json spec
Added parent child relationship to json output
Better linking around parent/child items
Merge pull request #9 from ndlib/child_items

Child items